Sun Mar 17, 2013 5:40 am
I cleaned my gas tank and installed a brand new sediment bowl.I filled the tank with several gallons of gas,looked for leaks and didn't see any.I said that was enough for today. I went back to the shop this morning and smelled gasoline.The dang sediment bowl was leaking,I tried to tighten it,still leaking.The smart man that I am,I have a new spare gasket.I put it in and seem to correct the problem.I then started working on some wiring on the tractor,after about an hour the sediment bowl was leaking again.Not only that the cutoff lets it drip gas when turned off.I saw in an old thread on sediment bowls and someone bought a rubber sediment bowl gasket at NAPA.I would be thankful for a number if anyone knows it...
Sun Mar 17, 2013 6:38 am
I have not had good experiences with replacement sediment bowl assemblies currently on the market.
I replace the sediment bowl assembly with a ball valve and inline fuel filter.
Sun Mar 17, 2013 6:43 am
thanks for the tip eugene, i have one that needs replacement . coppersmythe............................
Sun Mar 17, 2013 8:27 am
Sediment bowls can leak in several locations, original ones can normally be repaired, here is a NAPA part number:
Balkamp (NAPA) 730-9506
It is made out of rubber.
Sun Mar 17, 2013 2:32 pm
If its leaking around the shutoff, and the packing nut is snugged down and out of travel like mine was, I was able to put a wrap of teflon impregnated valve packing in and reassembled. Its held up and not leaked for about a month now. I'm keeping my fingers crossed, but I expect it will hold up for a long time. John
Sun Mar 17, 2013 3:05 pm
I am strongly against removing the fuel bowl and replacing it with a ball valve. The fuel bowl is a major part of the fuel system for it to operate as it should.
Sun Mar 17, 2013 4:20 pm
There are 4 places where the fuel strainer can leak.
* Where the strainer body goes into the fuel tank.
* Where the fuel line attaches to the strainer.
* The shutoff shaft packing nut (as previously mentioned).
* Between the strainer body and the glass bowl.
You need to figure out where it's actually leaking and fix it. My guess would be the shutoff.
Sun Mar 17, 2013 4:47 pm
Make sure you have the screen under the gasket so that the lip of the bowl is against the gasket, and the gasket is cleanly seated to the metal.
Sun Mar 17, 2013 7:16 pm
If I need to use a cork gasket I've had good luck coating it with black sensor safe silicone. I coat it as thin as I can all around and let it dry completely. I don't know what it is about the new cork but I can't find any that will hold gas.
Sun Mar 17, 2013 8:05 pm
Not a huge fan of fuel leaks anywhere, so the first thing to do is what Don suggests. Figure out where the leak is coming from...
If the leak originates at the tank inlet threads - do not overtighten the bowl but wrap the threads with teflon tape or better yet a good pipe dope for fuel systems. Do not let any teflon be exposed to the fuel.
If the leak is in the outlet threads of the sediment bowl to the fuel shut-off valve, then possibly it isn't tight enough or would benefit from teflon.
If the leak is in the packing of the shut-off valve, either remove and repack or change out the shut-off valve with a ball valve.
If the leak is because of improper installation of the gasket and screen, install properly, and reassemble. Ensure you use quality gasket material.
This is what I did with my fuel system - How To Upgrade A Cub Fuel System
Sun Mar 17, 2013 8:29 pm
or , maybe not .coppersmythe.........................................
Sun Mar 17, 2013 8:58 pm
JRICK wrote:I installed a brand new sediment bowl.
Me to. Two different brands of sediment bowl assemblies. Tried all of the previous suggestions and a couple more, including having to polish the lip of the glass bowl because it was uneven. You shouldn't have to fix or repair something new out of the box.
If you are tired of fixing something that is brand new and suppose to work - - - ball valve and inline filter.
Mon Mar 18, 2013 1:48 am
coppersmythe wrote:or , maybe not .coppersmythe.........................................
The fuel bowl was the first thing to go on all of my tractors. Hate the things, they always seem to leak if you turn your gas off each time it's used. I like the ball valves and have them on everything I own, not only the cubs....
Mon Mar 18, 2013 5:10 am
or, maybe so,
Mon Mar 18, 2013 6:13 am
TSC carries both style of bowls. The gaskets look the same but they are not. Right gasket for right bowl.
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